/*
 * Copyright (c) 2010, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the Jombi project nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL JOMBI BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.miblounge.jombi.impl.widgets;

import org.jowidgets.spi.widgets.IComboBoxSelectionSpi;
import org.jowidgets.spi.widgets.setup.IComboBoxSelectionSetupSpi;

import com.trolltech.qt.gui.QComboBox;
import com.trolltech.qt.gui.QPalette.ColorRole;
import com.trolltech.qt.gui.QWidget;

public class ComboBoxSelectionImpl extends AbstractInputControl implements IComboBoxSelectionSpi {
	private String[] elements;

	public ComboBoxSelectionImpl(final Object parentUiReference, final IComboBoxSelectionSetupSpi setup) {
		super(new QComboBox((QWidget) parentUiReference));

		setElements(setup.getElements());
		addItemListener();
	}

	@Override
	public QComboBox getUiReference() {
		return (QComboBox) super.getUiReference();
	}

	@Override
	public void setEditable(final boolean editable) {
		getUiReference().setEnabled(editable);
	}

	@Override
	public int getSelectedIndex() {
		return getUiReference().currentIndex();
	}

	@Override
	public void setSelectedIndex(final int index) {
		getUiReference().setCurrentIndex(index);
	}

	@Override
	public void setToolTipText(final String toolTip) {
		getUiReference().setToolTip(toolTip);
	}

	@Override
	public String[] getElements() {
		// TODO: think about copy of array
		return elements;
	}

	@Override
	public void setElements(final String[] elements) {
		this.elements = elements;
		getUiReference().clear();
		for (final String element : elements) {
			getUiReference().addItem(element);
		}
	}

	protected void eventCurrentIndexChanged() {
		fireInputChanged(getUiReference().currentText());
		//updateToolTip();
	}

	//	private void updateToolTip() {
	//		final QComboBox combo = getUiReference();
	//
	//		if (combo.count() > 0) {
	//			final INPUT_TYPE value = getValue();
	//			combo.setToolTip(objectStringConverter.getDescription(value));
	//		}
	//		else {
	//			combo.setToolTip(null);
	//		}
	//	}

	private void addItemListener() {
		getUiReference().currentIndexChanged.connect(this, "eventCurrentIndexChanged()");
	}

	@Override
	protected ColorRole getForegroundColorRole() {
		return ColorRole.ButtonText;
	}

}
